| 1361. Validate Binary Tree Nodes | | | Solve | Medium | | |
| 1368. Minimum Cost to Make at Least One Valid Path in a Grid | | | Solve | Hard | | |
| 1377. Frog Position After T Seconds | | | Solve | Hard | | |
| 1462. Course Schedule IV | | | Solve | Medium | | |
| 1466. Reorder Routes to Make All Paths Lead to the City Zero | | | Solve | Medium | | |
| 1489. Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree | | | Solve | Hard | | |
| 1494. Parallel Courses II | | | Solve | Hard | | |
| 1514. Path with Maximum Probability | | | Solve | Medium | | |
| 1548. The Most Similar Path in a Graph | | | Solve | Hard | | |
| 1557. Minimum Number of Vertices to Reach All Nodes | | | Solve | Medium | | |
| 1579. Remove Max Number of Edges to Keep Graph Fully Traversable | | | Solve | Hard | | |
| 1584. Min Cost to Connect All Points | | | Solve | Medium | | |
| 1591. Strange Printer II | | | Solve | Hard | | |
| 1615. Maximal Network Rank | | | Solve | Medium | | |
| 1632. Rank Transform of a Matrix | | | Solve | Hard | | |
| 1697. Checking Existence of Edge Length Limited Paths | | | Solve | Hard | | |
| 1719. Number Of Ways To Reconstruct A Tree | | | Solve | Hard | | |
| 1724. Checking Existence of Edge Length Limited Paths II | | | Solve | Hard | | |
| 1728. Cat and Mouse II | | | Solve | Hard | | |
| 1761. Minimum Degree of a Connected Trio in a Graph | | | Solve | Hard | | |
| 1778. Shortest Path in a Hidden Grid | | | Solve | Medium | | |
| 1782. Count Pairs Of Nodes | | | Solve | Hard | | |
| 1786. Number of Restricted Paths From First to Last Node | | | Solve | Medium | | |
| 1791. Find Center of Star Graph | | | Solve | Easy | | |
| 1810. Minimum Path Cost in a Hidden Grid | | | Solve | Medium | | |
| 1820. Maximum Number of Accepted Invitations | | | Solve | Medium | | |
| 1857. Largest Color Value in a Directed Graph | | | Solve | Hard | | |
| 1916. Count Ways to Build Rooms in an Ant Colony | | | Solve | Hard | | |
| 1928. Minimum Cost to Reach Destination in Time | | | Solve | Hard | | |
| 1971. Find if Path Exists in Graph | | | Solve | Easy | | |
| 1976. Number of Ways to Arrive at Destination | | | Solve | Medium | | |
| 2039. The Time When the Network Becomes Idle | | | Solve | Medium | | |
| 2045. Second Minimum Time to Reach Destination | | | Solve | Hard | - | |
| 2050. Parallel Courses III | | | Solve | Hard | | |
| 2065. Maximum Path Quality of a Graph | | | Solve | Hard | | |
| 2076. Process Restricted Friend Requests | | | Solve | Hard | | |
| 2077. Paths in Maze That Lead to Same Room | | | Solve | Medium | | |
| 2092. Find All People With Secret | | | Solve | Hard | | |
| 2093. Minimum Cost to Reach City With Discounts | | | Solve | Medium | | |
| 2097. Valid Arrangement of Pairs | | | Solve | Hard | | |
| 2101. Detonate the Maximum Bombs | | | Solve | Medium | | |
| 2115. Find All Possible Recipes from Given Supplies | | | Solve | Medium | | |
| 2123. Minimum Operations to Remove Adjacent Ones in Matrix | | | Solve | Hard | | |
| 2127. Maximum Employees to Be Invited to a Meeting | | | Solve | Hard | | |
| 2192. All Ancestors of a Node in a Directed Acyclic Graph | | | Solve | Medium | | |
| 2203. Minimum Weighted Subgraph With the Required Paths | | | Solve | Hard | | |
| 2204. Distance to a Cycle in Undirected Graph | | | Solve | Hard | | |
| 2242. Maximum Score of a Node Sequence | | | Solve | Hard | | |
| 2246. Longest Path With Different Adjacent Characters | | | Solve | Hard | | |
| 2247. Maximum Cost of Trip With K Highways | | | Solve | Hard | - | |
